| Gaithersburg to Heidelberg | 4,076.01 mi (6,559.70 km) |
| Gaithersburg to Heidenau | 4,231.13 mi (6,809.35 km) |
| Gaithersburg to Heidenheim | 4,156.99 mi (6,690.02 km) |
| Gaithersburg to Heilbad Heiligenstadt | 4,074.48 mi (6,557.24 km) |
| Gaithersburg to Heilbronn | 4,104.30 mi (6,605.24 km) |
| Gaithersburg to Heiligenhafen | 4,019.79 mi (6,469.22 km) |
| Gaithersburg to Heiligenhaus | 3,951.51 mi (6,359.34 km) |
| Gaithersburg to Heilsbronn | 4,163.21 mi (6,700.03 km) |
| Gaithersburg to Heinsberg | 3,923.75 mi (6,314.66 km) |
| Gaithersburg to Helmstedt | 4,083.06 mi (6,571.05 km) |
| Gaithersburg to Hemau | 4,211.05 mi (6,777.03 km) |
| Gaithersburg to Hemer | 3,981.31 mi (6,407.30 km) |
| Gaithersburg to Hemmingen | 4,031.02 mi (6,487.29 km) |
| Gaithersburg to Hemmoor | 3,970.12 mi (6,389.28 km) |
| Gaithersburg to Hemsbach | 4,068.41 mi (6,547.48 km) |
